/*
 * Copyright (c) 2025 VMware, Inc. or its affiliates, All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package reactor.netty.http.client;

/**
 * This exception is used internally to signal that the current request requires HTTP authentication and should be retried.
 * The {@code authenticator} configured via {@link HttpClient#httpAuthentication(java.util.function.BiPredicate, java.util.function.BiConsumer)}
 * or {@link HttpClient#httpAuthenticationWhen(java.util.function.BiPredicate, java.util.function.BiFunction)}
 * will be invoked before retrying the request.
 *
 * @author raccoonback
 * @since 1.3.1
 * @see HttpClient#httpAuthentication(java.util.function.BiPredicate, java.util.function.BiConsumer)
 * @see HttpClient#httpAuthenticationWhen(java.util.function.BiPredicate, java.util.function.BiFunction)
 */
final class HttpClientAuthenticationException extends RuntimeException {

	private static final long serialVersionUID = 1L;

	@Override
	public synchronized Throwable fillInStackTrace() {
		// omit stacktrace for this exception
		return this;
	}

	HttpClientAuthenticationException() {
		super("HTTP authentication required, triggering retry");
	}
}